JPH0470386B2 - - Google Patents
Info
- Publication number
- JPH0470386B2 JPH0470386B2 JP61237987A JP23798786A JPH0470386B2 JP H0470386 B2 JPH0470386 B2 JP H0470386B2 JP 61237987 A JP61237987 A JP 61237987A JP 23798786 A JP23798786 A JP 23798786A JP H0470386 B2 JPH0470386 B2 JP H0470386B2
- Authority
- JP
- Japan
- Prior art keywords
- value
- cod
- toughness
- less
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 239000012535 impurity Substances 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- 229910052748 manganese Inorganic materials 0.000 claims 2
- 238000012360 testing method Methods 0.000 description 29
- 239000000463 material Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 17
- 229910001563 bainite Inorganic materials 0.000 description 16
- 230000007423 decrease Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 229910000734 martensite Inorganic materials 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 239000010953 base metal Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002436 steel type Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23798786A JPS6393845A (ja) | 1986-10-08 | 1986-10-08 | 溶接部のｃｏｄ特性の優れた高張力鋼 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23798786A JPS6393845A (ja) | 1986-10-08 | 1986-10-08 | 溶接部のｃｏｄ特性の優れた高張力鋼 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6393845A JPS6393845A (ja) | 1988-04-25 |
| JPH0470386B2 true JPH0470386B2 (es) | 1992-11-10 |
Family
ID=17023435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23798786A Granted JPS6393845A (ja) | 1986-10-08 | 1986-10-08 | 溶接部のｃｏｄ特性の優れた高張力鋼 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6393845A (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02163342A (ja) * | 1988-12-16 | 1990-06-22 | Nippon Steel Corp | 大人熱溶接用高張力鋼 |
| CN1078912C (zh) * | 1996-09-27 | 2002-02-06 | 川崎制铁株式会社 | 切削性优良的高强度高韧性非调质钢 |
| WO2007080646A1 (ja) * | 2006-01-13 | 2007-07-19 | Sumitomo Metal Industries, Ltd. | 極低温用鋼 |
| WO2007080645A1 (ja) * | 2006-01-13 | 2007-07-19 | Sumitomo Metal Industries, Ltd. | 溶接熱影響部のｃｔｏｄ特性に優れた極低温用鋼 |
| CN103320693B (zh) | 2013-06-19 | 2015-11-18 | 宝山钢铁股份有限公司 | 抗锌致裂纹钢板及其制造方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54132421A (en) * | 1978-04-05 | 1979-10-15 | Nippon Steel Corp | Manufacture of high toughness bainite high tensile steel plate with superior weldability |
| JPS5935619A (ja) * | 1982-08-18 | 1984-02-27 | Sumitomo Metal Ind Ltd | 溶接部靭性のすぐれた高張力鋼材の製造方法 |
| JPS60152626A (ja) * | 1984-01-20 | 1985-08-10 | Kawasaki Steel Corp | 溶接構造用高張力鋼のじん性安定化方法 |
| JPS61113714A (ja) * | 1984-11-09 | 1986-05-31 | Kawasaki Steel Corp | 大入熱溶接用鋼の製造方法 |
| JPS62149845A (ja) * | 1985-12-24 | 1987-07-03 | Kawasaki Steel Corp | 溶接部じん性のすぐれたＣｕ析出型鋼材とその製造方法 |
-
1986
- 1986-10-08 JP JP23798786A patent/JPS6393845A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54132421A (en) * | 1978-04-05 | 1979-10-15 | Nippon Steel Corp | Manufacture of high toughness bainite high tensile steel plate with superior weldability |
| JPS5935619A (ja) * | 1982-08-18 | 1984-02-27 | Sumitomo Metal Ind Ltd | 溶接部靭性のすぐれた高張力鋼材の製造方法 |
| JPS60152626A (ja) * | 1984-01-20 | 1985-08-10 | Kawasaki Steel Corp | 溶接構造用高張力鋼のじん性安定化方法 |
| JPS61113714A (ja) * | 1984-11-09 | 1986-05-31 | Kawasaki Steel Corp | 大入熱溶接用鋼の製造方法 |
| JPS62149845A (ja) * | 1985-12-24 | 1987-07-03 | Kawasaki Steel Corp | 溶接部じん性のすぐれたＣｕ析出型鋼材とその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6393845A (ja) | 1988-04-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |